19128536

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 44167680

約数和(自身を除く): 25039144

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 71, 119, 136, 142, 238, 283, 284, 476, 497, 566, 568, 952, 994, 1132, 1207, 1981, 1988, 2264, 2414, 3962, 3976, 4811, 4828, 7924, 8449, 9622, 9656, 15848, 16898, 19244, 20093, 33677, 33796, 38488, 40186, 67354, 67592, 80372, 134708, 140651, 160744, 269416, 281302, 341581, 562604, 683162, 1125208, 1366324, 2391067, 2732648, 4782134, 9564268, 19128536]

約数ペア:

[(1, 19128536), (2, 9564268), (4, 4782134), (7, 2732648), (8, 2391067), (14, 1366324), (17, 1125208), (28, 683162), (34, 562604), (56, 341581), (68, 281302), (71, 269416), (119, 160744), (136, 140651), (142, 134708), (238, 80372), (283, 67592), (284, 67354), (476, 40186), (497, 38488), (566, 33796), (568, 33677), (952, 20093), (994, 19244), (1132, 16898), (1207, 15848), (1981, 9656), (1988, 9622), (2264, 8449), (2414, 7924), (3962, 4828), (3976, 4811)]